OpenSSL 1.1.0 support (#2826)

* make pre5 work

* add a blank line to make the diff happier

* 1.1.0-pre6 working

* support the changes since 1.1.0-pre6

* fixes

* add 1.1.0 to travis

* expose the symbol

* better testing for numericstring

* handle libre...

* actually use the 1.1.0 we compile

* cache the ossl-110 dir on travis

* add some newlines

* changelog entry for 1.1.0 support

* note that we test on 1.1.0

* proper skip on this test

* reorder

1 files changed, 15 insertions, 7 deletions

diff --git a/tests/hazmat/backends/test_openssl.py b/tests/hazmat/backends/test_openssl.py
index 38f11347..4ec8d84e 100644
--- a/tests/hazmat/backends/test_openssl.py
+++ b/tests/hazmat/backends/test_openssl.py
@@ -728,10 +728,18 @@ class TestGOSTCertificate(object):
             x509.load_der_x509_certificate,
             backend
         )
-        with pytest.raises(ValueError) as exc:
-            cert.subject
-
-        # We assert on the message in this case because if the certificate
-        # fails to load it will also raise a ValueError and this test could
-        # erroneously pass.
-        assert str(exc.value) == "Unsupported ASN1 string type. Type: 18"
+        if (
+            not backend._lib.CRYPTOGRAPHY_OPENSSL_110_OR_GREATER or
+            backend._lib.CRYPTOGRAPHY_IS_LIBRESSL
+        ):
+            with pytest.raises(ValueError) as exc:
+                cert.subject
+
+            # We assert on the message in this case because if the certificate
+            # fails to load it will also raise a ValueError and this test could
+            # erroneously pass.
+            assert str(exc.value) == "Unsupported ASN1 string type. Type: 18"
+        else:
+            assert cert.subject.get_attributes_for_oid(
+                x509.ObjectIdentifier("1.2.643.3.131.1.1")
+            )[0].value == "007710474375"